That's one of the reasons for agile's Working software over comprehensive documentation Working software is the common currency, we can all understand what th

That's one of the reasons for agile's Working software over comprehensive documentation Working software is the common currency, we can all understand what the software looks like when it's working. (If we can't, we have whole different set of problems to solve first). It also avoids the problem Goodhart's law: when what we "measure" is the actual software to be delivered, it remains a good measure.